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Question
Chemistry
Which of the following solutions gives red colour with HPh?
Q. Which of the following solutions gives red colour with HPh?
1642
239
Rajasthan PMT
Rajasthan PMT 1998
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A
5
M
N
a
O
H
B
0.1
M
N
a
C
O
3
C
0.1
M
N
H
4
O
H
D
0.1
M
N
a
Cl
Solution:
pH of
5
M
N
a
O
H
is high in the given solution.. So it gives red colour with HPh.